Alligatorinae

例句：

1. 1.This species is known for its distinctive snout shape and long, powerful tails.
   这种物种以其独特的鼻部形状和长而有力的尾巴而闻名。
2. 2. The Alligatorinae are found in tropical regions around the world.
   鳄鱼属分布在世界各地的热带地区。
3. 3.Researchers have been studying the behavior of these animals to better understand their ecological role.
   研究人员一直在研究这些动物的行为，以更好地理解它们在生态系统中的作用。